Ratios, Rates and Proportional Relationships

A recipe calls for 2 tablespoons of flour for every tablespoon of sugar. Which table shows this relationship?

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Which table shows a proportional relationship between x and y ?

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Which table shows a proportional relationship between x and y ?

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Tyson earns $0.10 for every can he collects. Which table shows this relationship?

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Mountain Middle school enrolled 200 girls and 150 boys. Of the girls, 75 have blue eyes, 55 have green eyes, and 70 have brown eyes. Of the boys, 60 have blue eyes, 45 have green eyes, and 45 have brown eyes. What is the ratio of boys with green eyes to girls with blue eyes?

• 45:75

• 55:60

• 75:45

• 60:55

The baseball team had 18 players. There were 4 coaches on the team. What is the ratio of players to coaches?

• 18 to 4

• 22 to 18

• 18 to 22

• 4 to 18

A relationship between two variables where their ratios are equivalent is called a ___

How do you know if two ratios are proportional?

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Which word best fits the definition: A ratio that compares two different quantities which have different units.

• ratio

• unit rate

• rate

• constant

_____ are those that can be simplifies or reduced to the same value.

• Rates

• Equivalent ratios

• Mathematicians

• Proportional